Lignanamides and other phenolic constituents from the bark of kenaf (Hibiscus cannabinus)

abstract

Two new acyclic phenylpropane lignanamides, grossamide K and erythro-canabisine H, and the naphthol glucoside 2,5-dimethyl-3-O-beta -D-glucopyranosylnaphthol, along with six known compounds were isolated from the acetone extract of bark of Hibiscus cannabinus, All structures were established by spectroscopic methods including 2D NMR techniques, which allowed the correction of certain previously reported (13)C NMR assignments of grossamide. (C) 2001 Elsevier Science Ltd. All rights reserved.

keywords

LIGNANS

subject category

Biochemistry & Molecular Biology; Plant Sciences

authors

Seca, AML; Silva, AMS; Silvestre, AJD; Cavaleiro, JAS; Domingues, FMJ; Neto, CP

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